Which to use
“CEI” is an abbrev and “cos” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #29,625
- “CEI” frequency rank
- #27,810
- “cos” frequency rank
- 57435
- confusion score
Side-by-Side Comparison
| Feature | CEI | cos |
|---|---|---|
| Definition | Communauté des États Indépendants (português: Comunidade dos Estados Independentes, CEI) | qualquer coisa |
Where the spellings diverge
Shared letters are muted; the letters that actually set CEI and cos apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: CEI is anabbrev and cosapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 57435, derived from the frequency rank of both members and their visual similarity.
CEI is recorded at frequency rank #29,625, classified as anabbrev, pronounced /se.ø.i/. cos is at rank #27,810, tagged as apron.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 57435, this pair ranks #9,337 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of CEI vs cos
Shared letters: c. Private to "CEI": ei. Private to "cos": os.
"CEI" · 3 letters · shape CVV · "cos" · 3 letters · shape CVC
Frequency comparison
Frequently Asked Questions
Can "CEI" and "cos" be used interchangeably?
Which is more common, "CEI" or "cos"?
Remembering CEI vs cos
The fastest way to pick the right one every time.
- Check the role first: if you need an abbrev, it's “CEI”; for a pronoun, it's “cos”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “CEI” entry
- Browse more pairs most likely to be confused. Most confusable